نتایج جستجو برای: vincristine
تعداد نتایج: 9725 فیلتر نتایج به سال:
Drug resistance genes can protect normal hematopoietic cells from the toxicity of anticancer agents. Because chemotherapeutic agents are often used in combination in current clinical protocols, coexpression of two different drug resistance genes should be useful in protecting normal bone marrow cells from the hematotoxicities caused by combination chemotherapy. In this study, we have combined t...
The aim of this study is to develop a simple and applicable HPLC method for the detection of vincristine in rat plasma after administration of poly(lactic-co-glycolic acid)-poly(ethylene glycol) (PLGA-PEG) nanoparticles loaded with vincristine sulfate (VCR). Vincristine was extracted from rat plasma and vinblastine sulfate was chosen as the internal standard (IS). Chromatographic separation of ...
Multidrug-resistant sublines of the murine erythroleukemia cell line PC4 were sequentially selected in increasing vincristine concentrations (5-160 ng/ml). The low- and intermediate-level resistant cell lines, selected in < or = 40 ng/ml of vincristine, demonstrated resistance to Vinca alkaloids and to an epipodophyllotoxin but little or none to an anthracycline. The expression of murine mdr ge...
BACKGROUND Vincristine, a widely used chemotherapeutic agent, often induces painful peripheral neuropathy and there are currently no effective drugs to prevent or treat this side effect. Previous studies have shown that methylcobalamin has potential analgesic effect in diabetic and chronic compression of dorsal root ganglion model; however, whether methylcobalamin has effect on vincristine-indu...
PURPOSE To compare response rates for two schedules of irinotecan with vincristine in patients with rhabdomyosarcoma at first relapse or disease progression. PATIENTS AND METHODS Patients with first relapse or progression of rhabdomyosarcoma and an unfavorable prognosis were randomly assigned to one of two treatment schedules of irinotecan with vincristine: regimen 1A included irinotecan 20 m...
An efficient total synthesis of (+)-vincristine has been accomplished through a stereoselective coupling of demethylvindoline and the eleven-membered carbomethoxyverbanamine presursor. Demethylvindoline was prepared by oxidation of 17-hydroxy-11-methoxytabersonine, followed by regioselective acetylation with mixed anhydride method. Although an initial attempt of coupling by using demethylvindol...
The patient was diagnosed with ALL at the age of 13 years and commenced on UK 2011 treatment regimen including intrathecal methotrexate, daunorubicin, PEG asparaginase vincristine. She presented eight months after her initial diagnosis.
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